Plotted entries from OPSLOG files in FORS1 report ZEROPOINTS_BH, plot 4, data set parsC2:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-17 54787.994055 0.043280047763358	parsC2
2008-11-20 54790.996385 0.0447218934395498	parsC2
2008-11-21 54791.997896 0.0608798452508669	parsC2
2008-11-22 54792.004678 0.0402807500599421	parsC2